I've been using Turtlewax ICE products on my car lately with great results. I think I will try using the ICE spray and liquid wax products on my CT and see how they do. They are in the price range with NuFinish, but I found that product to not be as easy to remove after applying.

I will probably stick with 210 cleaner/polish for my windows, it does a really great job. BTW, I have used the 210 polish (a white liquid, more aggressive version than the cleaner) on some deeper scratches made before I bought the airplane, and they were reduced significantly.